president obama said we could do it for 100 more years. but we act as there's no other alternatives that we ignored and did not put the proper resources into looking at. we're not looking at making sure that we have a country that really is focusing on energy efficiency, looking at real clean energy that's renewable energy. that doesn't make as much money as natural gas, right? it also doesn't open up the same kind of economic development benefits for folks when we talk about green jobs. like you said, it's all relative. that's an important point. >> this is also interesting. what the fracking boom is doing to the price of natural gas -- i think the idea is the price comes down and that's good for consumers and energy is cheaper. it's having a hot of knock-on effects, that dmin yags of price. >> it's a point worth making. it's true it takes place well below the water table. what you have is very slow dishe pergss and low concentrations and extended contact. we just don't know a lot about that. there's a big question mark there. >> yes, we